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Flowmaster 817663 American Thunder Cat-Back Exhaust System

(1998-2003 Ford F-150)

Manufacturer

Picture for manufacturer Flowmaster

Part Number

817663
11 reviews
Sale Price

$1,065.95

Estimated ship date Wednesday, November 25

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Fitment guaranteed

Product Details

The Flowmaster 817663 American Thunder Cat-Back Exhaust System delivers an aggressive exterior performance tone while maintaining a moderate interior sound level. This complete exhaust system is engineered for easy installation using factory hanger locations and designed to clear the factory spare tire.

Key Features:

  • Dual outlet Super 40 Series performance muffler for deep, aggressive tone
  • Mandrel-bent stainless steel construction for maximum flow and durability
  • Large 3.50-inch polished 304 stainless steel tips for a premium appearance
  • Multiple exit styles included in kit for installation flexibility
  • Utilizes factory hanger locations for straightforward bolt-on installation
  • Clearance for factory spare tire location
  • Moderate interior cabin tone with aggressive exterior sound

The American Thunder series combines Flowmaster's legendary Super 40 muffler technology with premium stainless steel construction and polished tips. Backed by Flowmaster's Lifetime Limited Warranty, this cat-back system provides both performance gains and the iconic Flowmaster sound.

Products specifications

Fits

1998-2003 Ford F-150

Inlet Inside Diameter

2.500 in.

Tip Diameter

3.500 in.

Outlet Outside Diameter

3.500 in.

System Type

Cat Back

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

California Proposition 65 Chemical Name 2

Chromium (hexavalent compounds)

California Proposition 65 Chemical Name 1

Nickel (metallic)

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

Exit Position

Dual Rear Same Side

Heat Shield Attached

No

Material

Stainless Steel

Muffler Count

1

Tubing Diameter

2.500 in.

Outlet Diameter

2.500 in.

Tip Quantity

2

Tail Pipe Diameter

2.500 in.

Exhaust Type

Dual

Single or Dual

Dual

Tip Length

13.000 in.

Title

Flowmaster 817663 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Aggressive Sound

Brand

Flowmaster

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Drive

4WD

Drive

2WD

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Silver

Exhaust Tip Connection

Clamp-On

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Angle Cut

Exhaust Tip Finish

Polished

Exhaust Tip Intercooled

No

Exhaust Tip Material

304 Stainless Steel

Exhaust Tip Quantity

2

Exhaust Tip Resonated

No

Exhaust Tip Shape

Round

Exhaust Tip Wall

Double Wall

Exit Style

Dual Out Side

Exit Style

Dual Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Heat Shield Included

No

Inlet Diameter

2.50

Inlet Type

Clamp-On

Mounting Bracket Included

Yes

Muffler Body Length

10.00

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

No

Muffler Flanged Outlet

No

Muffler Inlet Connection

Slip-Fit

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Quantity

2

muffler part number

Kit Only

Muffler Quantity

1

Muffler Series

Super 40 Series

Muffler Type

Chambered

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Sound Level

Aggressive

Spring Bolt Kit Included

No

Sub Category

Exhaust and Tail Pipes

Tail Pipe Quantity

2

Tail Pipe Quantity

Dual

Tail Pipe Tapered Outlet

No

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Found exactly what I wanted

Just hope I get this shipped as fast as possible, we will see.

For as cheap as what I paid for my product I will admit I was scared!!! Got what I asked for in perfect condition, came fast and wonder where have you been all my shopping life? Thanx for such a great deal and fast shipping!!!

Okay; so far!

Fast and easy

Sldj xhcuud jxjdud jjjd uxhsb .

nothing yet.

Very happy with the speed of shipping and with the reasonable price of the product.

Thanks

Great so far an great prices

best price, appreciate shipping discount

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